Cloud Computing

AWS, serverless, and cloud infrastructure

AWS Lambda + S3 Signed URLs: The Battle-Tested Solution for Large File Uploads

How we went from 30-second Lambda timeouts killing our video platform to handling 10GB+ file uploads seamlessly with S3 signed URLs. Complete implementation with CDK, security considerations, and production lessons learned.

Cloud Computing
Aug 13, 2025
lambda
aws-cdk
aws
+2
Multi-Account AWS Architecture: Building Event-Driven Systems for 10x Traffic Growth

Learn multi-account AWS architecture through "QuickGrocer's" migration from single-account monolith to event-driven systems during explosive growth. Explore patterns, challenges, and architectural decisions in distributed systems.

Cloud Computing
May 17, 2025
aws
eventbridge
multi-account
+5
Death of the Factory Pattern: How We Eliminated 40% of Our Node.js Code with Pure Functions

After removing all factories, services, and dependency injection from our Node.js microservices, we shipped 3x faster with 65% fewer bugs. Here's why functions beat classes for event-driven architectures.

Cloud Computing
May 4, 2025
event-driven
functional-programming
lambda
+3
From 500K LOC Monoliths to Functions: The $2.3M Architecture Evolution That Saved My Sanity

How we evolved from a nightmare 500K line Node.js MVC monolith to event-driven serverless functions, cutting costs by 65% and deploy times from 45 minutes to 2 minutes. Real numbers, real failures, real solutions.

Cloud Computing
May 3, 2025
event-driven
monolith
nodejs
+1
Migrating from Serverless Framework to AWS CDK: Part 1 - Why Make the Switch?

Explore the motivations behind migrating from Serverless Framework to AWS CDK, including licensing changes, architectural advantages, and when CDK becomes the better choice for your serverless applications.

Cloud Computing
Mar 2, 2025
aws
aws-cdk
migration
Migrating from Serverless Framework to AWS CDK: Part 2 - Setting Up Your CDK Environment

Learn how to structure a CDK project for serverless applications, configure TypeScript for Lambda development, and establish patterns that ease migration from Serverless Framework.

Cloud Computing
Mar 2, 2025
aws-cdk
tutorial
Migrating from Serverless Framework to AWS CDK: Part 3 - Lambda Functions and API Gateway

Deep dive into migrating Lambda functions, API Gateway configurations, request validations, and error handling from Serverless Framework to AWS CDK with practical examples.

Cloud Computing
Mar 2, 2025
api-gateway
aws
aws-cdk
+2
Migrating from Serverless Framework to AWS CDK: Part 4 - Database and Environment Management

Master DynamoDB migrations, environment variable management, secrets handling, and VPC configurations when moving from Serverless Framework to AWS CDK.

Cloud Computing
Mar 2, 2025
aws
aws-cdk
dynamodb
+5
Migrating from Serverless Framework to AWS CDK: Part 5 - Authentication, Authorization, and IAM

Implement robust authentication with Cognito, API Gateway authorizers, and fine-grained IAM policies when migrating from Serverless Framework to AWS CDK.

Cloud Computing
Mar 2, 2025
authorization
aws-cdk
cognito
+3
Migrating from Serverless Framework to AWS CDK: Part 6 - Migration Strategies and Best Practices

Execute a smooth migration from Serverless Framework to AWS CDK with proven strategies, testing approaches, rollback procedures, and performance optimization techniques.

Cloud Computing
Mar 2, 2025
aws-cdk
monitoring
performance
API Versioning with AWS CDK: How I Finally Got It Right After 3 Failed Attempts

Real lessons from building multi-version APIs in production. Why my first three versioning strategies failed, what actually works, and the CDK patterns that saved my sanity.

Cloud Computing
Feb 16, 2025
api-gateway
aws
aws-cdk
+3
Building AWS Serverless with TypeScript: Lessons from 3 Years of Lambda at Scale

Why I moved from Express.js to Lambda, the costly mistakes I made along the way, and the TypeScript patterns that saved my team thousands in AWS bills.

Cloud Computing
Feb 9, 2025
api-gateway
cost-optimization
lambda
+2
OpenTelemetry in React Native: How I Built Production Observability After 18 Months of Debugging Hell

From production crashes we couldn't debug to comprehensive monitoring that caught issues before users noticed. My journey through React Native observability with OpenTelemetry, Firebase, and enterprise APM solutions.

Cloud Computing
Feb 2, 2025
firebase
monitoring
opentelemetry
+1
Zod + OpenAPI + AWS Lambda: The $80K Bug That Taught Me Schema-First Development

How a 'simple' API change cost us $80K in enterprise client integration failures, why documentation drift kills businesses, and the production-tested system that generates OpenAPI specs from Zod schemas automatically.

Cloud Computing
Jan 26, 2025
api-gateway
aws-cdk
lambda
+5
Dead Letter Queue Strategies: Production-Ready Patterns for Resilient Event-Driven Systems

Comprehensive guide to DLQ strategies, monitoring, and recovery patterns. Real production insights on circuit breakers, exponential backoff, ML-based recovery, and anti-patterns to avoid.

Cloud Computing
Jan 9, 2025
azure
circuit-breaker
dead-letter-queue
+6